[javascript] reworked basic exploration with systems fetch after registering

1 files changed, 9 insertions, 0 deletions

diff --git a/nodejs/database/systems.js b/nodejs/database/systems.js
index 6cfc75a..dd70d33 100644
--- a/nodejs/database/systems.js
+++ b/nodejs/database/systems.js
@@ -3,6 +3,7 @@ import db from './db.js';
 const addSystemStatement = db.prepare(`INSERT INTO systems(data) VALUES (json(?));`);
 const getSystemStatement = db.prepare(`SELECT data FROM systems WHERE data->>'symbol' = ?;`);
 const getSystemUpdatedStatement = db.prepare(`SELECT updated FROM systems WHERE data->>'symbol' = ?;`);
+const getSystemsCountStatement = db.prepare(`SELECT COUNT(data) as data FROM systems;`);
 const setSystemWaypointsStatement = db.prepare(`UPDATE systems SET data = (SELECT json_set(data, '$.waypoints', json(:waypoints)) FROM systems WHERE data->>'symbol' = :symbol), updated = :date WHERE data->>'symbol' = :symbol;`);
 
 export function addSystem(data) {
@@ -17,6 +18,14 @@ export function getSystem(symbol) {
 	return JSON.parse(data.data);
 }
 
+export function getSystemsCount() {
+	const data = getSystemsCountStatement.get();
+	if (data === undefined) {
+		return null;
+	}
+	return data.data;
+}
+
 export function getSystemUpdated(symbol) {
 	const updated = getSystemUpdatedStatement.get(symbol);
 	if (updated === undefined) {